Abrasive pad for grinding lenses

Details Abrasive pad for grinding lenses Abrasive pad for grinding lenses

1975-03-18

1976-06-01

Smith, Al Lawrence

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51406, 51407, 51DIG34, B24D 1102

Patent

active

039599353

ABSTRACT:
A pad for grinding lens blanks comprising a pliable sheet of a water-proof material (e.g., paper or fabric) with an adhesive coating on one side thereof for adhering onto a working surface. An abrasive substance (e.g., silicon carbide) is applied to the pad and a plurality of radially extending channels are cut through its area to provide a smooth fit over a working surface.

REFERENCES:
patent: 2286208 (1942-06-01), Kirchner
patent: 2309836 (1943-02-01), Fenton
patent: 2607174 (1952-08-01), Lanius
patent: 2701191 (1955-02-01), Laliberte
patent: 3144737 (1964-08-01), Faas
patent: 3267623 (1966-08-01), Block
patent: 3324608 (1967-06-01), Hoenig
patent: 3583111 (1971-06-01), Volk
patent: 3699721 (1972-10-01), Beasley

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